package com.phone1000.app.gifttalk.fragment;

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.google.gson.Gson;
import com.phone1000.app.gifttalk.R;
import com.phone1000.app.gifttalk.adapter.WellChosAdapter;
import com.phone1000.app.gifttalk.bean.TableLayoutInfo;
import com.phone1000.app.gifttalk.constant.URLConstant;
import com.phone1000.app.okhttplibrary.IOKCallBack;
import com.phone1000.app.okhttplibrary.OkHttpTool;

import java.util.ArrayList;
import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;

/**
 * A simple {@link Fragment} subclass.
 * Activities that contain this fragment must implement the
 * {@link HomeFragment.OnFragmentInteractionListener} interface
 * to handle interaction events.
 * Use the {@link HomeFragment#newInstance} factory method to
 * create an instance of this fragment.
 *
 * 指南Fragment
 */
public class HomeFragment extends Fragment {
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    private OnFragmentInteractionListener mListener;
    private View view;
    private WellChosAdapter adapter;

    public HomeFragment() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment HomeFragment.
     */
    // TODO: Rename and change types and number of parameters
    public static HomeFragment newInstance(String param1, String param2) {
        HomeFragment fragment = new HomeFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @BindView(R.id.home_tab_layout)
    public TabLayout tabLayout;
    @BindView(R.id.home_vp)
    public ViewPager viewPager;

    private List<TableLayoutInfo.DataBean.ChannelsBean> vpTitles = new ArrayList<>();
    private List<Fragment> fragLists = new ArrayList<>();


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        view = inflater.inflate(R.layout.fragment_home, container, false);
        ButterKnife.bind(this,view);
        //1.准备数据源
        setupData();
        tabLayout.setTabMode(TabLayout.MODE_SCROLLABLE);
        //2.准备适配器
        setupAdapter();
        //3.绑定适配器
        viewPager.setAdapter(adapter);
        tabLayout.setupWithViewPager(viewPager);
        return view;
    }

    private void setupAdapter() {
        adapter = new WellChosAdapter(getChildFragmentManager(),fragLists,vpTitles);
    }

    private void setupData() {
        OkHttpTool.newInstance().start(URLConstant.GUID_URL).callback(new IOKCallBack() {
            @Override
            public void success(String result) {
                Gson gson = new Gson();
                TableLayoutInfo tableLayoutInfo = gson.fromJson(result,TableLayoutInfo.class);
                List<TableLayoutInfo.DataBean.ChannelsBean> channels = tableLayoutInfo.getData().getChannels();
                vpTitles.addAll(channels);
                setupFragment(vpTitles);
                adapter.notifyDataSetChanged();
            }
        });


    }

    /**
     * 初始化指南界面的fragment
     * @param vpTitles
     */
    private void setupFragment(List<TableLayoutInfo.DataBean.ChannelsBean> vpTitles) {
        fragLists.add(WellChosenFragment.newInstance("",""));
        for (int i = 1; i < vpTitles.size(); i++) {
            int id = vpTitles.get(i).getId();
            String name = vpTitles.get(i).getName();
            fragLists.add(OtherFragment.newInstance(name,id+""));
        }
    }

    // TODO: Rename method, update argument and hook method into UI event
    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onFragmentInteraction(uri);
        }
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof OnFragmentInteractionListener) {
            mListener = (OnFragmentInteractionListener) context;
        } else {
//            throw new RuntimeException(context.toString()
//                    + " must implement OnFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    /**
     * This interface must be implemented by activities that contain this
     * fragment to allow an interaction in this fragment to be communicated
     * to the activity and potentially other fragments contained in that
     * activity.
     * <p/>
     * See the Android Training lesson <a href=
     * "http://developer.android.com/training/basics/fragments/communicating.html"
     * >Communicating with Other Fragments</a> for more information.
     */
    public interface OnFragmentInteractionListener {
        // TODO: Update argument type and name
        void onFragmentInteraction(Uri uri);
    }
}
